Patent US4860733A successfully refreshed from Google Patents.
US4860733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillating reclining chair
Assignee: Individual
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Filing: 1988-09-02
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Granted: 1989-08-29
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Expires: 2008-09-02
Abstract
Abstract A passive exercise apparatus includes an oscillating back portion incorporated in a conventional reclining chair. A drive assembly is mounted to a lower back portion. An upper back portion is pivotally connected to the lower back portion. The drive assembly is activated to oscillate the upper back portion when the recliner is in either an upright or an extended position.
Inventors
- 👤 Alonzo E. Parker, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:42
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0292; A61H2001/0203; A61H2203/00; A61H2203/04; A61H2203/0425; A61H2203/0431
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
189 words
A reclining chair having means for tilting and reclining, seat back and footrest members thereof enabling such members to be positionable between upright and reclining positions, comprising: (a) an upper back portion for supporting the upper torso of a user; (b) a lower back portion for supporting the lumbar portion of a user, the upper back portion being connected to the lower back portion to oscillate with respect to the lower back portion about an axis parallel to the central longitudinal axis of said upper back portion and to tilt in unison with the lower back portion between upright and reclining positions utilizing the tilting and reclining means of the chair; (c) a seat portion for supporting the lower body of a user, the seat portion connected to the lower back portion in a manner such that the lower back portion, utilizing the tilting and reclining means of the chair, tilts in correspondence with tilting of the seat portion; and (d) drive means, mounted on a selected rearwardly disposed portion of the chair for oscillating the upper back portion with respect to the lower back portion about said axis.
Claim 2
Dependent Claim
189 words
A reclining chair having means for tilting and reclining, seat back and footrest members thereof enabling such members to be positionable between upright and reclining positions, comprising: (a) an upper back portion for supporting the upper torso of a user; (b) a lower back portion for supporting the lumbar portion of a user, the upper back portion being connected to the lower back portion to oscillate with respect to the lower back portion about an axis parallel to the central longitudinal axis of said upper back portion and to tilt in unison with the lower back portion between upright and reclining positions utilizing the tilting and reclining means of the chair; (c) a seat portion for supporting the lower body of a user, the seat portion connected to the lower back portion in a manner such that the lower back portion, utilizing the tilting and reclining means of the chair, tilts in correspondence with tilting of the seat portion; and (d) drive means, mounted on a selected rearwardly disposed portion of the chair for oscillating the upper back portion with respect to the lower back portion about said axis.
Claim 3
Dependent Claim
47 words
A reclining chair as claimed in claim 1 including a post connected at a first end to the upper back portion and at a second end to the lower back portion in a manner to permit the upper back portion to oscillate about the post longitudinal axis.
Claim 4
Dependent Claim
54 words
A reclining chair as claimed in claim 1 wherein the drive means comprises: (a) motor means mounted on the lower back portion; and (b) linkage means fixedly connected between the motor means and upper back portion and operative to oscillate said upper back portion with respect to said lower back portion about said axis.
Claim 5
Dependent Claim
23 words
A reclining chair as claimed in claim 1 including a footrest connected to and tiltable in correspondence with tilting of the seat portion.
Claim 6
Dependent Claim
36 words
A reclining chair as claimed in claim 2 wherein said post is fixedly connected at said first end to said upper back portion and is pivotedly connected at said second end to said lower back portion.
Claim 7
Dependent Claim
19 words
A reclining chair as claimed in claim 3 wherein said motor means is mounted on said lower back portion.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-28 | 1993-02-27 | 1993-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-28 | 1997-02-27 | 1997-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-28 | 2001-02-27 | 2001-08-29 | $7700.00 | Window Closed / Lapsed |